public void UpdateWeight_Success()
        {
            var strats    = new FixedDeltaWeightManipulationStrategy(10);
            var newWeight = strats.UpdateWeight("tgt", new WeightItem(50, 100), true);

            Assert.AreEqual(60, newWeight.Weight);
        }
        public void UpdateWeight_Failure()
        {
            var strats    = new FixedDeltaWeightManipulationStrategy(10);
            var newWeight = strats.UpdateWeight("tgt", new WeightItem(50, 100), false);

            Assert.AreEqual(40, newWeight.Weight);
        }